Cambridge IGCSE Physics

Cambridge IGCSE Physics Light Exam Questions

Free Cambridge IGCSE Physics exam questions on Light, with mark schemes. Covers reflection, refraction, total internal reflection, lenses and dispersion.

Light exam questions

Every Cambridge IGCSE Physics past paper question on Topic 3, collected into one pack with the mark schemes. Answer them without notes, mark them line by line, then move on to full past papers.

Topic 3: Waves topical past paper questionsQuestions and mark scheme
Cambridge IGCSE Physics past papers and mark schemesOpen past papers
Cambridge IGCSE Physics 0625 flashcards for Anki and Quizlet StemUp mark scheme flashcards Cambridge IGCSE Physics 0625 Flashcards (Anki & Quizlet) Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page. £12.99View flashcards

About Cambridge IGCSE Physics Light

This sub-topic covers light.

What you need to know

  • Reflection Angle of incidence equals reflection; plane mirror images.
  • Refraction n = sin i / sin r and critical angle.
  • Lenses Converging and diverging lenses and ray diagrams.

Common mistakes in Light

  • Drawing rays without arrows.
  • Measuring angles from the surface.

Try two Light exam-style questions

1. Find n if i = 30° and r = 19.5°. (1 mark)

Show the mark scheme answer

1.5.

2. State the nature of an image in a plane mirror. (1 mark)

Show the mark scheme answer

Virtual, upright and the same size.

Light FAQs

What does this cover?

Reflection, refraction and lenses.

Which practical links here?

Refraction through a glass block.